{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:PQUL6WWZGJ2U2323F47LZPJYDO","short_pith_number":"pith:PQUL6WWZ","schema_version":"1.0","canonical_sha256":"7c28bf5ad932754d6f5b2f3ebcbd381b81bcb61823e4f86802ee1def4674bbb5","source":{"kind":"arxiv","id":"1611.05383","version":2},"attestation_state":"computed","paper":{"title":"Revising the $f_1(1420)$ resonance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"E. Oset, F. Aceti, V. R. Debastiani, Wei-Hong Liang","submitted_at":"2016-11-16T17:46:45Z","abstract_excerpt":"We have studied the production and decay of the $f_1(1285)$ into $\\pi a_0(980)$ and $K^* \\bar K$ as a function of the mass of the resonance and find a shoulder around 1400 MeV, tied to a triangle singularity, for the $\\pi a_0(980)$ mode, and a peak around 1420 MeV with about 60 MeV width for the $K^* \\bar K$ mode. Both these features agree with the experimental information on which the $f_1(1420)$ resonance is based. In addition, we find that if the $f_1(1420)$ is a genuine resonance, coupling mostly to $K^* \\bar K$ as seen experimentally, one finds unavoidably about a 20\\% fraction for $\\pi a"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1611.05383","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-11-16T17:46:45Z","cross_cats_sorted":[],"title_canon_sha256":"e17002a85126f83a4e4534d6c443de163a0fb4db5d64f7129dd499783bc6afc1","abstract_canon_sha256":"687ee66604a468f8d0caaa50b0f4cba66e3abb86aa900c780cd243d5d6ce6071"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:18.155732Z","signature_b64":"PXnwUe9185Mp0yjbNFwZnwjpiqOl4l7jsFQAWuMfqlOXBT3vXMeQupf6G0yW9MgZ2eD0Tq+iLnWDYn4tZ6x1Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c28bf5ad932754d6f5b2f3ebcbd381b81bcb61823e4f86802ee1def4674bbb5","last_reissued_at":"2026-05-18T00:50:18.155227Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:18.155227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Revising the $f_1(1420)$ resonance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"E. Oset, F. Aceti, V. R. Debastiani, Wei-Hong Liang","submitted_at":"2016-11-16T17:46:45Z","abstract_excerpt":"We have studied the production and decay of the $f_1(1285)$ into $\\pi a_0(980)$ and $K^* \\bar K$ as a function of the mass of the resonance and find a shoulder around 1400 MeV, tied to a triangle singularity, for the $\\pi a_0(980)$ mode, and a peak around 1420 MeV with about 60 MeV width for the $K^* \\bar K$ mode. Both these features agree with the experimental information on which the $f_1(1420)$ resonance is based. In addition, we find that if the $f_1(1420)$ is a genuine resonance, coupling mostly to $K^* \\bar K$ as seen experimentally, one finds unavoidably about a 20\\% fraction for $\\pi a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.05383","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1611.05383","created_at":"2026-05-18T00:50:18.155302+00:00"},{"alias_kind":"arxiv_version","alias_value":"1611.05383v2","created_at":"2026-05-18T00:50:18.155302+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.05383","created_at":"2026-05-18T00:50:18.155302+00:00"},{"alias_kind":"pith_short_12","alias_value":"PQUL6WWZGJ2U","created_at":"2026-05-18T12:30:39.010887+00:00"},{"alias_kind":"pith_short_16","alias_value":"PQUL6WWZGJ2U2323","created_at":"2026-05-18T12:30:39.010887+00:00"},{"alias_kind":"pith_short_8","alias_value":"PQUL6WWZ","created_at":"2026-05-18T12:30:39.010887+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1705.00141","citing_title":"Hadronic molecules","ref_index":11,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PQUL6WWZGJ2U2323F47LZPJYDO","json":"https://pith.science/pith/PQUL6WWZGJ2U2323F47LZPJYDO.json","graph_json":"https://pith.science/api/pith-number/PQUL6WWZGJ2U2323F47LZPJYDO/graph.json","events_json":"https://pith.science/api/pith-number/PQUL6WWZGJ2U2323F47LZPJYDO/events.json","paper":"https://pith.science/paper/PQUL6WWZ"},"agent_actions":{"view_html":"https://pith.science/pith/PQUL6WWZGJ2U2323F47LZPJYDO","download_json":"https://pith.science/pith/PQUL6WWZGJ2U2323F47LZPJYDO.json","view_paper":"https://pith.science/paper/PQUL6WWZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1611.05383&json=true","fetch_graph":"https://pith.science/api/pith-number/PQUL6WWZGJ2U2323F47LZPJYDO/graph.json","fetch_events":"https://pith.science/api/pith-number/PQUL6WWZGJ2U2323F47LZPJYDO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PQUL6WWZGJ2U2323F47LZPJYDO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PQUL6WWZGJ2U2323F47LZPJYDO/action/storage_attestation","attest_author":"https://pith.science/pith/PQUL6WWZGJ2U2323F47LZPJYDO/action/author_attestation","sign_citation":"https://pith.science/pith/PQUL6WWZGJ2U2323F47LZPJYDO/action/citation_signature","submit_replication":"https://pith.science/pith/PQUL6WWZGJ2U2323F47LZPJYDO/action/replication_record"}},"created_at":"2026-05-18T00:50:18.155302+00:00","updated_at":"2026-05-18T00:50:18.155302+00:00"}